output/20260723_081532/govviz/ALZ_20260723_081601/Enterprise-Scale/eslzArm/managementGroupTemplates/policyAssignments/DENY-IPForwardingPolicyAssignment.json

{
    "$schema": "https://schema.management.azure.com/schemas/2019-08-01/managementGroupDeploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "enforcementMode": {
            "type": "string",
            "allowedValues": [
                "Default",
                "DoNotEnforce"
            ],
            "defaultValue": "Default"
        },
        "nonComplianceMessagePlaceholder": {
            "type": "string",
            "defaultValue": "{enforcementMode}"
        }
    },
    "variables": {
        "policyDefinitions": {
            "denyIpForwarding": "/providers/Microsoft.Authorization/policyDefinitions/88c0b9da-ce96-4b03-9635-f29a937e2900",
            "policyVersion": "1.*.*"
         },
        "policyAssignmentNames": {
            "denyIpForwarding": "Deny-IP-forwarding",
            "description": "This policy denies the network interfaces which enabled IP forwarding. The setting of IP forwarding disables Azure's check of the source and destination for a network interface. This should be reviewed by the network security team.",
            "displayName": "Network interfaces should disable IP forwarding"
         },
         "nonComplianceMessage": {
             "message": "Network interfaces {enforcementMode} disable IP forwarding.",
             "Default": "must",
             "DoNotEnforce": "should"
         }
    },
    "resources": [
        {
            "type": "Microsoft.Authorization/policyAssignments",
            "apiVersion": "2024-04-01",
            "name": "[variables('policyAssignmentNames').denyIpForwarding]",
            "properties": {
                "description": "[variables('policyAssignmentNames').description]",
                "displayName": "[variables('policyAssignmentNames').displayName]",
                "enforcementMode": "[parameters('enforcementMode')]",
                "nonComplianceMessages": [
                    {
                        "message": "[replace(variables('nonComplianceMessage').message, parameters('nonComplianceMessagePlaceholder'), variables('nonComplianceMessage')[parameters('enforcementMode')])]"
                    }
                ],
                "policyDefinitionId": "[variables('policyDefinitions').denyIpForwarding]",
                "definitionVersion": "[variables('policyDefinitions').policyVersion]"
            }
        }
    ],
    "outputs": {}
}